13686593419 has 2 divisors, whose sum is σ = 13686593420. Its totient is φ = 13686593418.

The previous prime is 13686593353. The next prime is 13686593491. The reversal of 13686593419 is 91439568631.

Together with next prime (13686593491) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13686593419 is a prime.

It is a super-2 number, since 2×13686593419² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13686593419.

It is not a weakly prime, because it can be changed into another prime (13686503419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6843296709 + 6843296710.

It is an arithmetic number, because the mean of its divisors is an integer number (6843296710).

Almost surely, 2^13686593419 is an apocalyptic number.

13686593419 is a deficient number, since it is larger than the sum of its proper divisors (1).

13686593419 is an equidigital number, since it uses as much as digits as its factorization.

13686593419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 55.

The spelling of 13686593419 in words is "thirteen billion, six hundred eighty-six million, five hundred ninety-three thousand, four hundred nineteen".